Index: /trunk/src/VBox/Main/ConsoleImpl.cpp
===================================================================
--- /trunk/src/VBox/Main/ConsoleImpl.cpp	(revision 30898)
+++ /trunk/src/VBox/Main/ConsoleImpl.cpp	(revision 30899)
@@ -577,9 +577,5 @@
     unconst(mEventSource).setNull();
 
-    /* dynamically allocated members of mCallbackData are uninitialized
-     * at the end of powerDown() */
-    Assert(!mCallbackData.mpsc.valid && mCallbackData.mpsc.shape.isNull());
-    Assert(!mCallbackData.mcc.valid);
-    Assert(!mCallbackData.klc.valid);
+    mCallbackData.clear();
 
     LogFlowThisFuncLeave();